APA (7th ed.) Citation

Keynes, J. M. (1929). A treatise on probability (1st ed., reprinted.). Macmillan and Co.

Chicago Style (17th ed.) Citation

Keynes, John Maynard. A Treatise on Probability. 1st ed., reprinted. London: Macmillan and Co, 1929.

MLA (9th ed.) Citation

Keynes, John Maynard. A Treatise on Probability. 1st ed., reprinted. Macmillan and Co, 1929.